TreeSet stores objects in a sorted manner. TreeSet stores its elements in a tree and they are automatically arranged in a sorted order.
TreeSet is not synchronized. If more than one thread wants to access it at the same time then it must be synchronized externally.
TreeSet is not synchronized. If more than one thread wants to access it at the same time then it must be synchronized externally.
import java.util.*;
public class DemoTreeSet {
public static void main(String[] args) {
TreeSet<String> t1 = new TreeSet<String>();
t1.add("zzz");
t1.add("aaa");
t1.add("ddd");
t1.add("bbb");
t1.add("nnn");
t1.add("lll");
System.out.println("Contents of treeset");
Iterator it1 =t1.iterator();
while(it1.hasNext()){
Object o1 = it1.next();
System.out.println(o1);
}
}
} MORE EXAMPLE
